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Daily Practice · GCSE Science

July 1980 5-a-day

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July 1980

31 sheets · 155 questions · GCSE

July 1980 compilationAll answers

Every sheet in July 1980

The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.

  1. 1st July 1980Describe the symptoms of rose black spot and its effect on the plant.
  2. 2nd July 1980State what is meant by negative feedback.
  3. 3rd July 1980Name the scientist who proposed the three-domain system of classification, and name the three domains.
  4. 4th July 1980State the relative charge of a neutron.
  5. 5th July 1980Why did Mendeleev leave gaps in his table?
  6. 6th July 1980Calculate the mass of 0.25 mol of sodium hydroxide, NaOH. (Na = 23, O = 16, H = 1)
  7. 7th July 1980A reaction profile shows the reactants at 150 kJ and the peak (activation energy point) at 195 kJ. Calculate the activation energy.
  8. 8th July 1980State the effect of increasing the temperature on the position of equilibrium of a reaction whose forward reaction is exothermic.
  9. 9th July 1980State the flame test colour for sodium ions.
  10. 10th July 1980Calculate the gravitational potential energy gained by a 60 kg person climbing 5 m. (g = 9.8 N/kg)
  11. 11th July 1980A component has a current of 5.0 A and a resistance of 8.0 ohm. Calculate the power dissipated using P = I^2 x R.
  12. 12th July 1980A gas at 200 kPa occupies 3.0 cubic metres. It is compressed to 1.5 cubic metres at constant temperature. Calculate the new pressure.
  13. 13th July 1980A car's velocity increases from 8 m/s to 20 m/s over 4 seconds. Calculate its acceleration.
  14. 14th July 1980State one medical use of X-rays and one safety precaution taken when X-rays are used in a hospital.
  15. 15th July 1980State two uses of artificial satellites.
  16. 16th July 1980State three functions of mitosis.
  17. 17th July 1980What happens to guard cells when a plant is short of water?
  18. 18th July 1980Write the word equation for photosynthesis.
  19. 19th July 1980State one difference between selective breeding and genetic engineering.
  20. 20th July 1980State one method used to try to maintain biodiversity.
  21. 21st July 1980Explain, using the reactivity series, why attaching blocks of zinc to the hull of a steel ship helps prevent the steel from rusting.
  22. 22nd July 1980Why is graphite soft and slippery?
  23. 23rd July 1980Explain the difference between a strong acid and a concentrated acid.
  24. 24th July 1980A reaction between calcium carbonate and hydrochloric acid produces 72 cm3 of carbon dioxide gas in 30 seconds. Calculate the mean rate of reaction.
  25. 25th July 1980State the functional group found in all carboxylic acids.
  26. 26th July 1980Name the two gases produced by photosynthesis and the substance it consumes alongside carbon dioxide.
  27. 27th July 1980Name four energy stores.
  28. 28th July 1980Name the change of state when a liquid becomes a gas throughout the liquid, at its boiling point.
  29. 29th July 1980State one source of natural background radiation and one source of artificial (man-made) background radiation.
  30. 30th July 1980State the speed at which all electromagnetic waves travel through a vacuum.
  31. 31st July 1980A transformer has 500 turns on its primary coil and 2500 turns on its secondary coil. State, with a reason, whether this is a step-up or a step-down transformer.